Air Conditioning Compressor Replacement LX9
Tools Required
J 39400-A
Halogen Leak
Detector
Removal Procedure
- Recover the refrigerant from the air conditioning (A/C) system. Refer
to
Refrigerant Recovery and Recharging
.
- Disconnect the A/C compressor electrical connector.
- If equipped with a C60 compressor, remove
the discharge line (3) to compressor nut (4).
- Remove the suction line (5) to compressor nut (4).
Important: Cap or tape the openings of the A/C
lines immediately in order to prevent system contamination.
- Remove the discharge (3) and suction (5) lines from the compressor.
- Remove and discard the sealing washers (2).
- If equipped with a C69 compressor, remove
the discharge line (5) to compressor nut (4).
- Remove the suction line (2) to compressor nut (1).
Important: Cap or tape the openings of the A/C
lines immediately in order to prevent system contamination.
- Remove the discharge (5) and suction (5) lines from the compressor.
- Remove and discard the sealing washers (3).
- Release the drive belt tensioner.
- Remove the drive belt from the generator pulley.
- Remove the drive belt from the A/C compressor.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
- Remove the air deflector bolts and deflector.
- Remove the passenger side engine splash shield. Refer to
Engine Splash Shield Replacement
.
- Remove the A/C compressor bolts.
- Remove the A/C compressor.
Installation Procedure
Important: Replacement A/C compressors are partially
precharged with polyalkylene glycol (PAG) oil. Refer to
Refrigerant System Capacities
.
- If replacing the A/C compressor, balance the compressor oil. Refer to
Air Conditioning Compressor Oil Balancing
.
- Install the A/C compressor.
Notice: Refer to Fastener Notice in the Preface section.
- Install the A/C compressor bolts.
Tighten
Tighten the bolts to 50 N·m (37 lb ft).
- Install the passenger side engine splash
shield. Refer to
Engine Splash Shield Replacement
.
- Install the air deflector and bolts.
Tighten
Tighten bolts to 20 N·m (15 lb ft).
- Lower the vehicle.
- Release the drive belt tensioner.
- Install the drive belt to the A/C compressor.
- Install the drive belt to the generator pulley.
- Remove the caps or tape from the discharge
and suction line openings.
- Install NEW sealing washers (3) to the discharge and suction lines.
- If equipped with a C69 compressor, install the discharge (5) and suction
(2) lines to the compressor.
- Install the discharge line (5) to compressor nut (4).
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Install the suction line (2) to compressor nut (1).
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Remove the caps or tape from the discharge
and suction line openings.
- Install NEW sealing washers (2) to the discharge and suction lines.
- If equipped with a C60 compressor, install the discharge (3) and suction
(5) lines to the compressor.
- Install the suction line (5) to compressor nut (4).
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Install the discharge line (3) to compressor nut (4).
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Connect the A/C compressor electrical connector.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the A/C fittings using the
J 39400-A
.
Air Conditioning Compressor Replacement LZ9